Consider supersonic flow near a corner (at an angle θfrom the horizontal) with an attached oblique
shock (at an angle β with horizontal) as shown in figure. If Mach number M decreases gradually
from a high supersonic value, which of the following statements is correct?
Options:
(A) β will decrease if the shock is a weak shock
(B) β will decrease if the shock is a strong shock
(C) β will increase for both weak and strong shocks
(D) β remains unchanged for both weak and strong shocks
Official Answer Key:
A
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2014 Q.8)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Verbal & Numerical Aptitude** under *General Aptitude* (2 Marks, MCQ).
**2. Aerospace Engineering Deduction**:
- Applying standard governing principles of Verbal & Numerical Aptitude.
- Option **(A)** matches the analytical derivation and official criteria.
**3. Final Answer**:
Correct Option is **(A)**.
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